PANASONIC DMW-BCB7 CGA-S004 Battery 750mAh by Pexell High Quality Rechargeable Li-Ion replacement (non-OEM) battery made with premium Li-Ion cells These Li-Ion batteries have NO memory effect, so they can be recharged and discharged without the loss of battery's capacity Integrated micro-chip prevents overcharging 100% BRAND NEW 1 Year Warranty